//
//  VerifyTools.m
//  objective_c_language
//
//  Created by 王玉龙 on 2018/6/2.
//  Copyright © 2018年 longlong. All rights reserved.
//

#import "VerifyTools.h"

@implementation VerifyTools

// 新版手机号
+ (BOOL)isMobileNumber:(NSString *)mobileNum
{    
    /**
     * 手机号码:
     * 13[0-9], 14[5,7], 15[0, 1, 2, 3, 5, 6, 7, 8, 9], 17[6, 7, 8], 18[0-9], 170[0-9]
     * 移动号段: 134,135,136,137,138,139,150,151,152,157,158,159,182,183,184,187,188,147,178,1705
     * 联通号段: 130,131,132,155,156,185,186,145,176,1709
     * 电信号段: 133,153,180,181,189,177,1700
     */
    NSString *MOBILE = @"^1(3[0-9]|4[57]|5[0-35-9]|8[0-9]|7[0678])\\d{8}$";
    /**
     * 中国移动：China Mobile
     * 134,135,136,137,138,139,150,151,152,157,158,159,182,183,184,187,188,147,178,1705
     */
    NSString *CM = @"(^1(3[4-9]|4[7]|5[0-27-9]|7[8]|8[2-478])\\d{8}$)|(^1705\\d{7}$)";
    /**
     * 中国联通：China Unicom
     * 130,131,132,155,156,185,186,145,176,1709
     */
    NSString *CU = @"(^1(3[0-2]|4[5]|5[56]|7[6]|8[56])\\d{8}$)|(^1709\\d{7}$)";
    /**
     * 中国电信：China Telecom
     * 133,153,180,181,189,177,1700
     */
    NSString *CT = @"(^1(33|53|77|8[019])\\d{8}$)|(^1700\\d{7}$)";
    
    
    NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
    NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
    NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
    NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];
    
    if (([regextestmobile evaluateWithObject:mobileNum] == YES)
        || ([regextestcm evaluateWithObject:mobileNum] == YES)
        || ([regextestct evaluateWithObject:mobileNum] == YES)
        || ([regextestcu evaluateWithObject:mobileNum] == YES))
    {
        return YES;
    }
    else
    {
        return NO;
    }
}

/*
 * 验证y
 */
+ (BOOL)isEmail:(NSString *)email
{
    return YES;
    NSString *emailRegex =@"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    return [emailTest evaluateWithObject:email];
}

+ (BOOL)isBankCard:(NSString *)cardNumber
{
    if(cardNumber.length==0)
    {
        return NO;
    }
    NSString *digitsOnly = @"";
    char c;
    for (int i = 0; i < cardNumber.length; i++)
    {
        c = [cardNumber characterAtIndex:i];
        if (isdigit(c))
        {
            digitsOnly =[digitsOnly stringByAppendingFormat:@"%c",c];
        }
    }
    int sum = 0;
    int digit = 0;
    int addend = 0;
    BOOL timesTwo = false;
    for (NSInteger i = digitsOnly.length - 1; i >= 0; i--)
    {
        digit = [digitsOnly characterAtIndex:i] - '0';
        if (timesTwo)
        {
            addend = digit * 2;
            if (addend > 9) {
                addend -= 9;
            }
        }
        else {
            addend = digit;
        }
        sum += addend;
        timesTwo = !timesTwo;
    }
    int modulus = sum % 10;
    return modulus == 0;
}

+ (BOOL)isIdentityCard:(NSString *)IDCardNumber
{
    if (IDCardNumber.length <= 0) {
        return NO;
    }
    NSString *regex2 = @"^(\\d{14}|\\d{17})(\\d|[xX])$";
    NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];
    return [identityCardPredicate evaluateWithObject:IDCardNumber];
}


//6-12位，由数字与字母组成的密码
+(BOOL)judgePassWordLegal:(NSString *)password
{
    BOOL result = false;
    if ([password length] <= 12  && [password length] >= 6)
    {
        return YES;
        
        // 判断长度大于8位后再接着判断是否同时包含数字和字符
        NSString * regex = @"^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,12}$";
        NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
        result = [pred evaluateWithObject:password];
    }
    return result;
}

/*
 * 验证是否是有效数组
 */
+ (BOOL)isValidArray:(id)object
{
    if (object == nil)
    {
        return NO;
    }
    
    
    if ([object isKindOfClass:[NSArray class]] == NO)
    {
        return NO;
    }
    
    NSArray *array = (NSArray *)object;
    
    if (array.count == 0)
    {
        return NO;
    }
    else
    {
        return YES;
    }
    
}


/*
 * 验证是否是有效字典
 */
+ (BOOL)isValidDictionary:(id)object
{
    if (object == nil)
    {
        return NO;
    }
    
    
    if ([object isKindOfClass:[NSDictionary class]] == NO)
    {
        return NO;
    }
    
    return YES;
}

@end
